← Back to branch summary

~bzr-pqm/bzr/bzr.dev

« back to all changes in this revision

Viewing changes to bzrlib/inter.py

Merge bzr.dev, update to use new hooks.

Show diffs side-by-side

added added

removed removed

Lines of Context:
bzrlib/inter.py
18
18
"""Inter-object utility class."""
19
19
 
20
20
 
 
21
from bzrlib.errors import NoCompatibleInter
 
22
 
 
23
 
21
24
class InterObject(object):
22
25
    """This class represents operations taking place between two objects.
23
26
 
75
78
                       the InterObject instance.
76
79
        :param target: the object to be the 'target' member of
77
80
                       the InterObject instance.
 
81
 
78
82
        If an optimised worker exists it will be used otherwise
79
83
        a default Inter worker instance will be created.
80
84
        """
81
85
        for provider in reversed(klass._optimisers):
82
86
            if provider.is_compatible(source, target):
83
87
                return provider(source, target)
84
 
        return klass(source, target)
 
88
        raise NoCompatibleInter(source, target)
85
89
 
86
90
    def lock_read(self):
87
91
        """Take out a logical read lock.